T\u1eeb g\u00f3c \u0111\u1ed9 ti\u1ebfn ho\u00e1 m\u00e0 n\u00f3i, \u1ebfch l\u00e0 \u0111\u1ed9ng v\u1eadt \u0111\u1ea7u ti\u00ean d\u00f9ng thanh \u0111\u1edbi ph\u00e1t ra ti\u1ebfng k\u00eau. C\u0169ng gi\u1ed1ng nh\u01b0 \u1edf ng\u01b0\u1eddi, thanh \u0111\u1edbi c\u1ee7a \u1ebfch c\u0169ng n\u1eb1m trong xoang h\u1ea7u, khi kh\u00f4ng kh\u00ed \u0111\u1ed9t ng\u1ed9t ch\u1ea1y v\u00e0o l\u00e0m ch\u1ea5n \u0111\u1ed9ng thanh \u0111\u1edbi v\u00e0 g\u00e2y ra \u00e2m thanh. Ngo\u00e0i thanh \u0111\u1edbi ra, hai b\u00ean h\u1ecdng c\u1ee7a \u1ebfch c\u00f2n c\u00f3 m\u1ed9t \u0111\u00f4i t\u00fai ngo\u1ea1i thanh, khi n\u00f3 k\u00eau ph\u00e1t ra hai t\u00fai kh\u00ed l\u1edbn l\u00e0m cho \u00e2m thanh vang h\u01a1n. \u00c2m thanh v\u00e0 ng\u1eef \u0111i\u1ec7u c\u1ee7a c\u00e1c lo\u1ea1i \u1ebfch kh\u00f4ng gi\u1ed1ng nhau. Nh\u1eefng ng\u01b0\u1eddi c\u00f3 kinh nghi\u1ec7m c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o ti\u1ebfng k\u00eau c\u1ee7a \u1ebfch \u0111\u1ec3 ph\u00e1n \u0111o\u00e1n l\u00e0 lo\u1ea1i \u1ebfch n\u00e0o \u0111ang k\u00eau. \u1ebfch \u0111\u1ef1c v\u00e0 \u1ebfch c\u00e1i \u0111\u1ec1u k\u00eau, nh\u01b0ng do \u1ebfch \u0111\u1ef1c c\u00f3 t\u00fai \u00e2m thanh n\u00ean n\u00f3 k\u00eau vang h\u01a1n \u1ebfch c\u00e1i. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o th\u00ec \u1ebfch k\u00eau nh\u1ec9?<\/p>\n\n\n\n
Khi \u1ebfch b\u1ecb k\u1ebb th\u00f9 t\u1ea5n c\u00f4ng, n\u00f3 li\u1ec1n ph\u00e1t ra nh\u1eefng ti\u1ebfng k\u00eau c\u1ee9u. N\u1ebfu ta d\u00f9ng ng\u00f3n tay \u1ea5n v\u00e0o l\u01b0ng \u1ebfch ho\u1eb7c b\u00f3p hai b\u00ean th\u00e2n \u1ebfch th\u00ec n\u00f3 c\u0169ng k\u00eau, b\u00f3p m\u1ed9t l\u1ea7n k\u00eau m\u1ed9t ti\u1ebfng. M\u1ea5y con \u1ebfch c\u0169ng chen nhau v\u00e0o m\u1ed9t ch\u1ed7 n\u1ebfu khi m\u1ed9t con \u1ebfch n\u00e0o \u0111\u00f3 ch\u1ea1m v\u00e0o l\u01b0ng ho\u1eb7c b\u1ee5ng c\u1ee7a m\u1ed9t con kh\u00e1c th\u00ec n\u00f3 c\u0169ng k\u00eau nh\u01b0 v\u1eady. Trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng s\u1ed1ng \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p, ch\u00fang c\u0169ng k\u00eau. V\u00ed d\u1ee5, \u0111\u00eam h\u00e8 nhi\u1ec7t \u0111\u1ed9 t\u0103ng ho\u1eb7c s\u1eafp m\u01b0a hay sau c\u01a1n m\u01b0a, ti\u1ebfng \u1ebfch trong ru\u1ed9ng k\u00eau r\u00e2m ran li\u00ean t\u1ee5c, gi\u1ed1ng nh\u01b0 d\u00e0n \u0111\u1ed3ng ca.<\/p>\n\n\n\n
Ngo\u00e0i ra, v\u00e0o m\u00f9a sinh s\u1ea3n \u1ebfch k\u00eau c\u0169ng r\u1ea5t h\u0103ng, \u0111\u00f3 l\u00e0 \u0111\u1ec3 thu h\u00fat b\u1ea1n t\u00ecnh \u0111\u1ebfn \u0111\u1ec3 giao ph\u1ed1i.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb g\u00f3c \u0111\u1ed9 ti\u1ebfn ho\u00e1 m\u00e0 n\u00f3i, \u1ebfch l\u00e0 \u0111\u1ed9ng v\u1eadt \u0111\u1ea7u ti\u00ean d\u00f9ng thanh \u0111\u1edbi ph\u00e1t ra ti\u1ebfng k\u00eau. C\u0169ng gi\u1ed1ng nh\u01b0 \u1edf ng\u01b0\u1eddi, thanh \u0111\u1edbi c\u1ee7a \u1ebfch c\u0169ng n\u1eb1m trong xoang h\u1ea7u, khi kh\u00f4ng kh\u00ed \u0111\u1ed9t ng\u1ed9t ch\u1ea1y v\u00e0o l\u00e0m ch\u1ea5n \u0111\u1ed9ng thanh \u0111\u1edbi v\u00e0 g\u00e2y ra \u00e2m thanh. Ngo\u00e0i thanh \u0111\u1edbi ra, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,10],"tags":[],"class_list":["post-8425","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8425"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8425\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}